256色转灰度图可以将彩色图象转化为灰度图象

主要讲述内容：概述 函数定义的一般形式 函数的参数和函数的值 函数的调用 函数的嵌套调用 函数的递归调用 数组作为函数参数 局部变量和全局变量 变量的存储类型 内部函数和外部函数 如何运行一个多文件的程序 -Focuses on the content: an overview of the general form of function definition function parameters and function of the value function call function call function nested recursive calls as a function parameter array of local variables and global variables variable storage type internal function and external function how to run more than one document the procedures

如果你刚毕业，而你又想搞游戏软件开发，这是一个程序是考试官常考的一个程序，快下嘛-If you have just graduated and you want to game software development, this is a procedure is often examiners test a procedure to do soon

该函数主要用来绘制DIB对象，输出DIB的区域由参数 lpDIBRect指定。-The function is mainly used to map the target DIB, DIB output of the region specified by the parameters lpDIBRect.

windows的cdc图形编程的举列程序，对于熟悉windows的CDC有好处-windows of the cdc graphical programming procedures listed, for those familiar with the CDC good windows

模仿自然界的雪花的程序-mimic natural snow procedures

一个用vb写的水波特效的源代码，这个源代码是参考了汇编代码改编过来的-A use of water effects to write vb source code, the source code is a reference to assembly code adapted from the

图形学 包括直线DDA、中点算法，圆的中点、正负算法，线宽控制。射线填充等算法-linear graphics including DDA, the midpoint algorithm, the midpoint of the round, plus or minus algorithm, linewidth control. Ray fill in the blanks Algorithm

可以设置窗口透明度及鼠标是否穿透窗体的控件。-Can set the window transparency and mouse controls whether the penetrating form.

libtiff库的源码程序的演示代码，该例子用来演示如何读tiff图像，是初学tiff图像格式的入门程序！-libtiff library procedures demo source code, the examples used to demonstrate how to read tiff images, when a tiff image formats entry procedures!

该源码主要用于生成EAN-13条形码，在菜单操作下输入13位数字即可生成条形码，可以保存该图像-the main source used to produce EAN-13 bar code, the menu under 13 digital input can be generated bar codes, we can preserve the images